From patchwork Fri Feb 27 22:55:41 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Takashi Iwai X-Patchwork-Id: 5903801 Return-Path: X-Original-To: patchwork-alsa-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id A4593BF440 for ; Fri, 27 Feb 2015 22:58:03 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id C803720351 for ; Fri, 27 Feb 2015 22:58:02 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) by mail.kernel.org (Postfix) with ESMTP id 88AC42034C for ; Fri, 27 Feb 2015 22:57:59 +0000 (UTC) Received: by alsa0.perex.cz (Postfix, from userid 1000) id 2B2702654B5; Fri, 27 Feb 2015 23:57:58 +0100 (CET) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,NO_DNS_FOR_FROM, UNPARSEABLE_RELAY autolearn=no version=3.3.1 Received: from alsa0.perex.cz (localhost [IPv6:::1]) by alsa0.perex.cz (Postfix) with ESMTP id 03875265253; Fri, 27 Feb 2015 23:56:00 +0100 (CET) X-Original-To: alsa-devel@alsa-project.org Delivered-To: alsa-devel@alsa-project.org Received: by alsa0.perex.cz (Postfix, from userid 1000) id 16C8D2651D1; Fri, 27 Feb 2015 23:55:57 +0100 (CET) Received: from mx2.suse.de (cantor2.suse.de [195.135.220.15]) by alsa0.perex.cz (Postfix) with ESMTP id EC9E52651AF for ; Fri, 27 Feb 2015 23:55:46 +0100 (CET) X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 78C6DAC70 for ; Fri, 27 Feb 2015 22:55:46 +0000 (UTC) From: Takashi Iwai To: alsa-devel@alsa-project.org Date: Fri, 27 Feb 2015 23:55:41 +0100 Message-Id: <1425077744-4553-7-git-send-email-tiwai@suse.de> X-Mailer: git-send-email 2.3.0 In-Reply-To: <1425077744-4553-1-git-send-email-tiwai@suse.de> References: <1425077744-4553-1-git-send-email-tiwai@suse.de> Subject: [alsa-devel] [PATCH 6/9] ALSA: core: Re-add snd_device_disconnect() X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org X-Virus-Scanned: ClamAV using ClamSMTP Revive snd_device_disconnect() again so that it can be called from the individual driver. This time, HD-audio will need it. Signed-off-by: Takashi Iwai --- include/sound/core.h | 3 ++- sound/core/device.c | 43 +++++++++++++++++++++++++++++++++---------- sound/core/init.c | 5 +---- 3 files changed, 36 insertions(+), 15 deletions(-) diff --git a/include/sound/core.h b/include/sound/core.h index da5748289968..b12931f513f4 100644 --- a/include/sound/core.h +++ b/include/sound/core.h @@ -278,7 +278,8 @@ int snd_device_new(struct snd_card *card, enum snd_device_type type, void *device_data, struct snd_device_ops *ops); int snd_device_register(struct snd_card *card, void *device_data); int snd_device_register_all(struct snd_card *card); -int snd_device_disconnect_all(struct snd_card *card); +void snd_device_disconnect(struct snd_card *card, void *device_data); +void snd_device_disconnect_all(struct snd_card *card); void snd_device_free(struct snd_card *card, void *device_data); void snd_device_free_all(struct snd_card *card); diff --git a/sound/core/device.c b/sound/core/device.c index 41bec3075ae5..446dc452654e 100644 --- a/sound/core/device.c +++ b/sound/core/device.c @@ -73,7 +73,7 @@ int snd_device_new(struct snd_card *card, enum snd_device_type type, } EXPORT_SYMBOL(snd_device_new); -static int __snd_device_disconnect(struct snd_device *dev) +static void __snd_device_disconnect(struct snd_device *dev) { if (dev->state == SNDRV_DEV_REGISTERED) { if (dev->ops->dev_disconnect && @@ -81,7 +81,6 @@ static int __snd_device_disconnect(struct snd_device *dev) dev_err(dev->card->dev, "device disconnect failure\n"); dev->state = SNDRV_DEV_DISCONNECTED; } - return 0; } static void __snd_device_free(struct snd_device *dev) @@ -109,6 +108,34 @@ static struct snd_device *look_for_dev(struct snd_card *card, void *device_data) } /** + * snd_device_disconnect - disconnect the device + * @card: the card instance + * @device_data: the data pointer to disconnect + * + * Turns the device into the disconnection state, invoking + * dev_disconnect callback, if the device was already registered. + * + * Usually called from snd_card_disconnect(). + * + * Return: Zero if successful, or a negative error code on failure or if the + * device not found. + */ +void snd_device_disconnect(struct snd_card *card, void *device_data) +{ + struct snd_device *dev; + + if (snd_BUG_ON(!card || !device_data)) + return; + dev = look_for_dev(card, device_data); + if (dev) + __snd_device_disconnect(dev); + else + dev_dbg(card->dev, "device disconnect %p (from %pF), not found\n", + device_data, __builtin_return_address(0)); +} +EXPORT_SYMBOL_GPL(snd_device_disconnect); + +/** * snd_device_free - release the device from the card * @card: the card instance * @device_data: the data pointer to release @@ -195,18 +222,14 @@ int snd_device_register_all(struct snd_card *card) * disconnect all the devices on the card. * called from init.c */ -int snd_device_disconnect_all(struct snd_card *card) +void snd_device_disconnect_all(struct snd_card *card) { struct snd_device *dev; - int err = 0; if (snd_BUG_ON(!card)) - return -ENXIO; - list_for_each_entry_reverse(dev, &card->devices, list) { - if (__snd_device_disconnect(dev) < 0) - err = -ENXIO; - } - return err; + return; + list_for_each_entry_reverse(dev, &card->devices, list) + __snd_device_disconnect(dev); } /* diff --git a/sound/core/init.c b/sound/core/init.c index 35419054821c..04734e047bfe 100644 --- a/sound/core/init.c +++ b/sound/core/init.c @@ -400,7 +400,6 @@ static const struct file_operations snd_shutdown_f_ops = int snd_card_disconnect(struct snd_card *card) { struct snd_monitor_file *mfile; - int err; if (!card) return -EINVAL; @@ -445,9 +444,7 @@ int snd_card_disconnect(struct snd_card *card) #endif /* notify all devices that we are disconnected */ - err = snd_device_disconnect_all(card); - if (err < 0) - dev_err(card->dev, "not all devices for card %i can be disconnected\n", card->number); + snd_device_disconnect_all(card); snd_info_card_disconnect(card); if (card->registered) {